68763160

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2657}}^1$

素因数の和:3315

約数の個数: 32

約数和(自身を含む): 155014560

約数和(自身を除く): 86251400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 2657, 3235, 5176, 5314, 6470, 10628, 12940, 13285, 21256, 25880, 26570, 53140, 106280, 1719079, 3438158, 6876316, 8595395, 13752632, 17190790, 34381580, 68763160]

約数ペア:

[(1, 68763160), (2, 34381580), (4, 17190790), (5, 13752632), (8, 8595395), (10, 6876316), (20, 3438158), (40, 1719079), (647, 106280), (1294, 53140), (2588, 26570), (2657, 25880), (3235, 21256), (5176, 13285), (5314, 12940), (6470, 10628)]